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ESP + ABS lights on

safjar Mar 21, 2016

  1. safjar

    safjar Registered User

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    Hi all,

    Just after some advice, my ESP and ABS lights are on. To start with it was intermittent, it would come on when I started the engine and after a minute or so they would go out but now they are on permanently.

    I've had it plugged into a diagnostics, 2 fault codes come up.

    290 - Wheel speed sensor, rear left - G46. Mechanical fault. Sporadic.

    493 - ESP sensor unit. Defective.

    Had anyone had experiences of both these? I'm guessing new wheel sensor and either rebuild or new ESP unit? Sounds expensive lol.

    Cheers
    Marc
     
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  3. Jimboginge

    Jimboginge Registered User

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    ABS/speed sensor would be first choice, looking at around £40/£50 for a genuine item, otherwise non OEM parts can be found for around £15/£20 online.

    Sounds like it could be perished and be be splitting into two pieces, starting to throw up the fault.
     
    safjar likes this.
  4. safjar

    safjar Registered User

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    Thanks for replying. Would that be an easy replacement? Would I need any specialist tools?
     
  5. hollows wife

    hollows wife Registered User

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    no just be careful not to break the senor when removing it ,they get seized in
     
    safjar likes this.
  6. safjar

    safjar Registered User

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    Sorry for the late response, only recently got round to sorting the issue as I replaced my brake discs and pads at the same time. Replaced the electrical sensor and the fault was still apparent, spoke to 2 independent VW/Audi garages and both immediately said the fault was the wheel bearing, as the sensors use these for a pick-off. Wheel bearing was replaced (old one looked knackered on inspection) on Friday and had no problems since. Nice cheap fix.
     

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